Gigabyte GA-F2A55M-S1 User manual

Brand: Gigabyte

Model: GA-F2A55M-S1

Type: User manual

GA-F2A55M-S1

User's Manual

Rev. 1001

Motherboard

GA-F2A55M-S1

Aug. 9, 2013

Motherboard

GA-F2A55M-S1

The trademarks mentioned in this manual are legally registered to their respective owners.

Disclaimer

Information in this manual is protected by copyright laws and is the property of GIGABYTE.

Changes to the specications and features in this manual may be made by GIGABYTE without prior notice.

No part of this manual may be reproduced, copied, translated, transmitted, or published in any form or by

any means without GIGABYTE's prior written permission.

In order to assist in the use of this product, carefully read the User's Manual.

For product-related information, check on our website at: http://www.gigabyte.com

Identifying Your Motherboard Revision

The revision number on your motherboard looks like this: "REV: X.X." For example, "REV: 1.0" means the

revision of the motherboard is 1.0. Check your motherboard revision before updating motherboard BIOS,

drivers, or when looking for technical information.

Example:

- 3 -

Table of Contents

GA-F2A55M-S1 Motherboard Layout .............................................................................. 4

GA-F2A55M-S1 Motherboard Block Diagram .................................................................5

Chapter 1 Hardware Installation .....................................................................................6

1-1 Installation Precautions .................................................................................... 6

1-2 Product Specications ...................................................................................... 7

1-3 Installing the APU ............................................................................................. 9

1-4 Installing the Memory ....................................................................................... 9

1-5 Installing an Expansion Card ......................................................................... 10

1-6 Back Panel Connectors .................................................................................. 10

1-7 Internal Connectors ........................................................................................ 11

Chapter 2 BIOS Setup ..................................................................................................15

2-1 Startup Screen ............................................................................................... 16

2-2 M.I.T. .............................................................................................................. 16

2-3 System Information ........................................................................................ 20

2-4 BIOS Features ............................................................................................... 21

2-5 Peripherals ..................................................................................................... 23

2-6 Power Management ....................................................................................... 25

2-7 Save & Exit ..................................................................................................... 26

Chapter 3 Appendix ......................................................................................................27

3-1 Conguring SATA Hard Drive(s) ..................................................................... 27

3-2 Drivers Installation .......................................................................................... 29

Regulatory Statements .............................................................................................. 30

Contact Us ................................................................................................................ 31

- 4 -

GA-F2A55M-S1 Motherboard Layout

The box contents above are for reference only and the actual items shall depend on the product package you obtain.

The box contents are subject to change without notice.

Box Contents

5GA-F2A55M-S1 motherboard

5Motherboard driver disk 5Two SATA cables

5User's Manual 5I/O Shield

KB_MS

CPU_FAN

FM2

ATX

GA-F2A55M-S1

F_AUDIO

AUDIO

DDR3_2

DDR3_1

BAT

ATX_12V1

SATA2

R_USB

CODEC

M_BIOS

VGA

USB_LAN

PCIEX16

PCIEX1

PCI

F_USB2 F_PANELF_USB1

SYS_FAN

SPDIF_O CLR_CMOS

Realtek®

GbE LAN

AMD A55

0 1

3 2

iTE®

Super I/O

- 5 -

GA-F2A55M-S1 Motherboard Block Diagram

For detailed product information/limitation(s), refer to "1-2 Product Specications."

Line Out (Front Speaker Out)

MIC (Center/Subwoofer

Speaker Out)

Line In (Rear Speaker Out)

CODEC

S/PDIF Out

AMD APU

UMI

APU CLK+/- (100 MHz)

Dual Channel Memory

PCI Express Bus

PCI Bus LPC

Bus

PCIe CLK

(100 MHz)

PS/2 KB/Mouse

8 USB 2.0/1.1

LAN

RJ45

x16

Realtek®

GbE LAN

1 PCI Express x16

1 PCI Express x1 4 SATA 3Gb/s

AMD A55

DISP CLK+/- (100 MHz)

DDR3 1866/1600/

1333/1066 MHz

D-Sub

iTE®

Super I/O

BIOS

1 PCI

PCI CLK

(33 MHz)

- 6 -

Chapter 1 Hardware Installation

1-1 Installation Precautions

The motherboard contains numerous delicate electronic circuits and components which can become

damaged as a result of electrostatic discharge (ESD). Prior to installation, carefully read the user's

manual and follow these procedures:

•Prior to installation, make sure the chassis is suitable for the motherboard.

•Prior to installation, do not remove or break motherboard S/N (Serial Number) sticker or

warranty sticker provided by your dealer. These stickers are required for warranty validation.

•Always remove the AC power by unplugging the power cord from the power outlet before

installing or removing the motherboard or other hardware components.

•When connecting hardware components to the internal connectors on the motherboard, make

sure they are connected tightly and securely.

•When handling the motherboard, avoid touching any metal leads or connectors.

•It is best to wear an electrostatic discharge (ESD) wrist strap when handling electronic

components such as a motherboard, CPU or memory. If you do not have an ESD wrist strap,

keep your hands dry and rst touch a metal object to eliminate static electricity.

•Prior to installing the motherboard, please have it on top of an antistatic pad or within an

electrostatic shielding container.

•Before unplugging the power supply cable from the motherboard, make sure the power supply

has been turned off.

•Before turning on the power, make sure the power supply voltage has been set according to

the local voltage standard.

•Before using the product, please verify that all cables and power connectors of your hardware

components are connected.

•To prevent damage to the motherboard, do not allow screws to come in contact with the

motherboard circuit or its components.

•Make sure there are no leftover screws or metal components placed on the motherboard or

within the computer casing.

•Do not place the computer system on an uneven surface.

•Do not place the computer system in a high-temperature environment.

•Turning on the computer power during the installation process can lead to damage to system

components as well as physical harm to the user.

•If you are uncertain about any installation steps or have a problem related to the use of the

product, please consult a certied computer technician.

- 7 -

1-2 ProductSpecications

APU FM2 Socket:

- AMD A series processors

- AMD Athlon™ series processors

(Go to GIGABYTE's website for the latest CPU support list.)

Chipset AMD A55

Memory 2 x 1.5V DDR3 DIMM sockets supporting up to 64 GB of system memory

* Due to a Windows 32-bit operating system limitation, when more than 4 GB of physical

memory is installed, the actual memory size displayed will be less than the size of

the physical memory installed.

* The maximum 64 GB of system memory can be supported using 16 GB (or above)

memory modules. GIGABYTE will update the memory support list on the ofcial

website when the memory modules are available on the market.

Dual channel memory architecture

Support for DDR3 1866/1600/1333/1066 MHz memory modules

 Support for AMD Memory Prole (AMP)/Extreme Memory Prole (XMP) memory

modules

(Go to GIGABYTE's website for the latest supported memory speeds and memory

modules.)

Onboard

Graphics

APU with integrated AMD Radeon™ HD 8000/7000 series graphics:

- 1 x D-Sub port, supporting a maximum resolution of 1920x1200

- Maximum shared memory of 2 GB

Audio Realtek® ALC887 codec

High Denition Audio

2/4/5.1/7.1-channel

* To congure 7.1-channel audio, you have to use an HD front panel audio module

and enable the multi-channel audio feature through the audio driver.

Support for S/PDIF Out

LAN Realtek® GbE LAN chip (10/100/1000 Mbit)

Expansion Slots 1 x PCI Express x16 slot, running at x16

1 x PCI Express x1 slot

(The PCI Express slots conform to PCI Express 2.0 standard.)

1 x PCI slot

Multi-Graphics

Technology

Support for AMD Dual Graphics technology

* Only A series APUs support AMD Dual Graphics.

Storage Interface Chipset:

- 4 x SATA 3Gb/s connectors

- Support for RAID 0, RAID 1, RAID 10, and JBOD

USB Chipset:

- 8 x USB 2.0/1.1 ports (4 ports on the back panel, 4 ports available through

the internal USB headers)

Internal

Connectors

1 x 24-pin ATX main power connector

1 x 4-pin ATX 12V power connector

4 x SATA 3Gb/s connectors

1 x CPU fan header

1 x system fan header

1 x front panel header

1 x front panel audio header

- 8 -

Internal

Connectors

1 x S/PDIF Out header

2 x USB 2.0/1.1 headers

1 x Clear CMOS jumper

Back Panel

Connectors

1 x PS/2 keyboard port

1 x PS/2 mouse port

1 x D-Sub port

4 x USB 2.0/1.1 ports

1 x RJ-45 port

3 x audio jacks (Line In/Line Out/Microphone)

I/O Controller iTE® I/O Controller Chip

Hardware

Monitor

System voltage detection

APU/System temperature detection

APU/System fan speed detection

APU overheating warning

APU/System fan fail warning

APU/System fan speed control

* Whether the fan speed control function is supported will depend on the cooler you

install.

BIOS 1 x 32 Mbit ash

Use of licensed AMI EFI BIOS

PnP 1.0a, DMI 2.0, SM BIOS 2.4, ACPI 1.0b

Unique Features Support for @BIOS

Support for Q-Flash

Support for Xpress Install

Support for EasyTune

* Available functions in EasyTune may differ by motherboard model.

Support for Smart Recovery2

Support for ON/OFF Charge

Bundled

Software Norton® Internet Security (OEM version)

Operating

System

Support for Windows 8.1/8/7/Vista/XP

* Support for Windows 8.1/8/7 only when an AMD FM2 Richland APU is installed.

* If you plan to install Windows 8.1, please download the latest drivers from GIGABYTE's

website.

Form Factor Micro ATX Form Factor; 22.5cm x 17.4cm

* GIGABYTE reserves the right to make any changes to the product specications and product-related information without

prior notice.

* Please visit the Support & Downloads\Utility page on GIGABYTE's website to check the supported operating system(s)

for the software listed in the "Unique Features" and "Bundled Software" columns.

- 9 -

1-3 Installing the APU

Read the following guidelines before you begin to install the APU:

•Make sure that the motherboard supports the APU.

(Go to GIGABYTE's website for the latest APU support list.)

•Always turn off the computer and unplug the power cord from the power outlet before installing the

APU to prevent hardware damage.

•Locate the pin one of the APU. The APU cannot be inserted if oriented incorrectly.

•Apply an even and thin layer of thermal grease on the surface of the APU.

•Do not turn on the computer if the APU cooler is not installed, otherwise overheating and damage

of the APU may occur.

•Set the APU host frequency in accordance with the APU specications. It is not recommended

that the system bus frequency be set beyond hardware specications since it does not meet the

standard requirements for the peripherals. If you wish to set the frequency beyond the standard

specications, please do so according to your hardware specications including the APU, graphics

card, memory, hard drive, etc.

Installing the APU

Locate the alignment keys on the motherboard APU socket and the notches on the APU.

1-4 Installing the Memory

DualChannelMemoryConguration

This motherboard provides two DDR3 memory sockets and supports Dual Channel Technology. After the memory

is installed, the BIOS will automatically detect the specications and capacity of the memory. Enabling Dual

Channel memory mode will double the original memory bandwidth.

The two DDR3 memory sockets are divided into two channels and each channel has one memory socket as

following:

Channel 0: DDR3_2

Channel 1: DDR3_1

Read the following guidelines before you begin to install the memory:

•Make sure that the motherboard supports the memory. It is recommended that memory of the

same capacity, brand, speed, and chips be used.

(Go to GIGABYTE's website for the latest supported memory speeds and memory modules.)

•Always turn off the computer and unplug the power cord from the power outlet before installing the

memory to prevent hardware damage.

•Memory modules have a foolproof design. A memory module can be installed in only one direction.

If you are unable to insert the memory, switch the direction.

Due to APU limitations, read the following guidelines before installing the memory in Dual Channel mode.

1. Dual Channel mode cannot be enabled if only one DDR3 memory module is installed.

2. When enabling Dual Channel mode with two memory modules, it is recommended that memory of

the same capacity, brand, speed, and chips be used for optimum performance.

FM2 Socket

A Small Triangle

Marking Denotes Pin

One of the Socket

APU

A Small Triangle

Marking Denotes APU

Pin One

- 10 -

1-5 Installing an Expansion Card

Read the following guidelines before you begin to install an expansion card:

•Make sure the motherboard supports the expansion card. Carefully read the manual that came

with your expansion card.

•Always turn off the computer and unplug the power cord from the power outlet before installing an

expansion card to prevent hardware damage.

1-6 Back Panel Connectors

PS/2 Keyboard and PS/2 Mouse Port

Use the upper port (green) to connect a PS/2 mouse and the lower port (purple) to connect a PS/2 keyboard.

D-Sub Port

The D-Sub port supports a 15-pin D-Sub connector and supports a maximum resolution of 1920x1200

(the actual resolutions supported depend on the monitor being used). Connect a monitor that supports

D-Sub connection to this port.

USB 2.0/1.1 Port

The USB port supports the USB 2.0/1.1 specication. Use this port for USB devices such as a USB

keyboard/mouse, USB printer, USB ash drive and etc.

RJ-45 LAN Port

The Gigabit Ethernet LAN port provides Internet connection at up to 1 Gbps data rate. The following

describes the states of the LAN port LEDs.

•When removing the cable connected to a back panel connector, rst remove the cable from your

device and then remove it from the motherboard.

•When removing the cable, pull it straight out from the connector. Do not rock it side to side to prevent

an electrical short inside the cable connector.

Line In Jack (Blue)

The default line in jack. Use this audio jack for line in devices such as an optical drive, walkman, etc.

Line Out Jack (Green)

The default line out jack. Use this audio jack for a headphone or 2-channel speaker. This jack can be used

to connect front speakers in a 4/5.1/7.1-channel audio conguration.

Mic In Jack (Pink)

The default Mic in jack. Microphones must be connected to this jack.

To congure 7.1-channel audio, you have to use an HD front panel audio module and enable the

multi-channel audio feature through the audio driver.

Activity LED

Connection/

Speed LED

LAN Port

Activity LED:Connection/Speed LED:

State Description

Orange 1 Gbps data rate

Green 100 Mbps data rate

Off 10 Mbps data rate

State Description

Blinking Data transmission or receiving is occurring

Off No data transmission or receiving is occurring

- 11 -

1-7 Internal Connectors

Read the following guidelines before connecting external devices:

•First make sure your devices are compliant with the connectors you wish to connect.

•Before installing the devices, be sure to turn off the devices and your computer. Unplug the power

cord from the power outlet to prevent damage to the devices.

•After installing the device and before turning on the computer, make sure the device cable has

been securely attached to the connector on the motherboard.

1) ATX_12V

2) ATX

3) CPU_FAN

4) SYS_FAN

5) SATA2 0/1/2/3

6) BAT

7) CLR_CMOS

8) F_PANEL

9) F_AUDIO

10) SPDIF_O

11) F_USB1/F_USB2

511

49 87

- 12 -

3/4) CPU_FAN/SYS_FAN (Fan Headers)

All fan headers on this motherboard are 4-pin. Most fan headers possess a foolproof insertion design.

When connecting a fan cable, be sure to connect it in the correct orientation (the black connector wire is

the ground wire). The speed control function requires the use of a fan with fan speed control design. For

optimum heat dissipation, it is recommended that a system fan be installed inside the chassis.

DEBUG

PORT

G.QBOFM

131

2412

ATX

ATX:

Pin No. Denition Pin No. Denition

1 3.3V 13 3.3V

2 3.3V 14 -12V

3 GND 15 GND

4 +5V 16 PS_ON (soft On/Off)

5 GND 17 GND

6 +5V 18 GND

7 GND 19 GND

8 Power Good 20 -5V

95VSB (stand by +5V) 21 +5V

10 +12V 22 +5V

11 +12V (Only for 2x12-pin

ATX)

23 +5V (Only for 2x12-pin ATX)

12 3.3V (Only for 2x12-pin

ATX)

24 GND (Only for 2x12-pin ATX)

CPU_FAN/SYS_FAN:

Pin No. Denition

1 GND

2 +12V

3 Sense

4 Speed Control

•Be sure to connect fan cables to the fan headers to prevent your APU and system from overheating. Overheating

may result in damage to the APU or the system may hang.

•These fan headers are not conguration jumper blocks. Do not place a jumper cap on the headers.

SYS_FAN

CPU_FAN

DEBUG

PORT

G.QBOFM

DEBUG

PORT

G.QBOFM

ATX_12V:

Pin No. Denition

1 GND

2 GND

3 +12V

4 +12V

ATX_12V

1/2) ATX_12V/ATX (2x2 12V Power Connector and 2x12 Main Power Connector)

With the use of the power connector, the power supply can supply enough stable power to all the components

on the motherboard. Before connecting the power connector, rst make sure the power supply is turned

off and all devices are properly installed. The power connector possesses a foolproof design. Connect the

power supply cable to the power connector in the correct orientation.

The 12V power connector mainly supplies power to the CPU. If the 12V power connector is not connected,

the computer will not start.

To meet expansion requirements, it is recommended that a power supply that can withstand high power consumption

be used (500W or greater). If a power supply is used that does not provide the required power, the result can

lead to an unstable or unbootable system.

- 13 -

5) SATA2 0/1/2/3 (SATA 3Gb/s Connectors)

The SATA connectors conform to SATA 3Gb/s standard and are compatible with SATA 1.5Gb/s standard.

Each SATA connector supports a single SATA device. The AMD A55 Chipset supports RAID 0, RAID 1,

RAID 10, and JBOD. Refer to Chapter 3, "Conguring SATA Hard Drive(s)," for instructions on conguring

a RAID array.

Pin No. Denition

1 GND

2 TXP

3 TXN

4 GND

5 RXN

6 RXP

7 GND

DEBUG

PORT

G.QBOFM

DEBUG

PORT

G.QBOFM

DEBUG

PORT

G.QBOFM

DEBUG

PORT

G.QBOFM

SATA2 2

SATA2 0 1 7

•A RAID 0 or RAID 1 conguration requires at least two hard drives. If more than two hard drives are to be

used, the total number of hard drives must be an even number.

•A RAID 10 conguration requires four hard drives.

6) BAT (Battery)

The battery provides power to keep the values (such as BIOS congurations, date, and time information)

in the CMOS when the computer is turned off. Replace the battery when the battery voltage drops to a low

level, or the CMOS values may not be accurate or may be lost.

You may clear the CMOS values by removing the battery:

1. Turn off your computer and unplug the power cord.

2. Gently remove the battery from the battery holder and wait for one minute. (Or use a metal

object like a screwdriver to touch the positive and negative terminals of the battery holder,

making them short for 5 seconds.)

3. Replace the battery.

4. Plug in the power cord and restart your computer.

•Always turn off your computer and unplug the power cord before replacing the battery.

•Replace the battery with an equivalent one. Danger of explosion if the battery is replaced with an incorrect model.

•Contact the place of purchase or local dealer if you are not able to replace the battery by yourself or uncertain

about the battery model.

•When installing the battery, note the orientation of the positive side (+) and the negative side (-) of the battery

(the positive side should face up).

•Used batteries must be handled in accordance with local environmental regulations.

7) CLR_CMOS (Clear CMOS Jumper)

Use this jumper to clear the BIOS conguration and reset the CMOS values to factory defaults. To clear

the CMOS values, use a metal object like a screwdriver to touch the two pins for a few seconds.

•Always turn off your computer and unplug the power cord from the power outlet before clearing the CMOS values.

•After system restart, go to BIOS Setup to load factory defaults (select Load Optimized Defaults) or manually

congure the BIOS settings (refer to Chapter 2, "BIOS Setup," for BIOS congurations).

Open: Normal

Short: Clear CMOS Values

- 14 -

8) F_PANEL (Front Panel Header)

Connect the power switch, reset switch, speaker, and system status indicator on the chassis to this header

according to the pin assignments below. Note the positive and negative pins before connecting the cables.

•PW (Power Switch):

Connects to the power switch on the chassis front panel. You may

congure the way to turn off your system using the power switch

(refer to Chapter 2, "BIOS Setup," "Power Management," for more

information).

•SPEAK (Speaker):

Connects to the speaker on the chassis front panel. The system reports

system startup status by issuing a beep code. One single short beep

will be heard if no problem is detected at system startup.

•HD (Hard Drive Activity LED):

Connects to the hard drive activity LED on the chassis front panel. The

LED is on when the hard drive is reading or writing data.

•PLED/PWR_LED (Power LED):

System Status LED

S0 On

S3/S4/S5 Off

Connects to the power status indicator

on the chassis front panel. The LED is on

when the system is operating. The LED is

off when the system is in S3/S4 sleep state

or powered off (S5).

The front panel design may differ by chassis. A front panel module mainly consists of power switch, reset switch,

power LED, hard drive activity LED, speaker and etc. When connecting your chassis front panel module to this

header, make sure the wire assignments and the pin assignments are matched correctly.

•RES (Reset Switch):

Connects to the reset switch on the chassis front panel. Press the reset switch to restart the computer if the

computer freezes and fails to perform a normal restart.

•CI (Chassis Intrusion Header):

Connects to the chassis intrusion switch/sensor on the chassis that can detect if the chassis cover has been

removed. This function requires a chassis with a chassis intrusion switch/sensor.

Power LED

CI-

CI+

PLED-

PW-

SPEAK+

SPEAK-

PLED+

PW+

Power LED

HD-

RES+

HD+

RES-

Hard Drive

Activity LED

Reset

Switch Chassis Intrusion

Header

Power Switch Speaker

F_USB30 F_AUDIO(H)

DB_PORT

F_PANEL(NH) F_PANEL

(H61M-D2)

ACPI_CPT

(GA-IVB)

BIOS_PH

(GA-IVB)

SMB_CPT

(GA-IVB)

CLR_CMOS

DIS_ME

GP15_CPT

(GA-IVB)

XDP_CPU

XDP_PCH

(GA-IVB)

TPM

w/housing

Voltage measurement module(X58A-OC)

PCIe power connector (SATA)(X58A-OC)

DIP

123

DIP

123

DIP

123

DIP

123

BIOS Switcher (X58A-OC)

PWM Switch (X58A-OC)

M_SATA

PWM Switch (SW1)(X79-UD7)

DIP

1 2 3 4 5

Voltage measurement points(G1.Sniper 3) BIOS Switcher (SW4) PCIe Control (Z87X-UP7)

ATX_12V_2X3

F_USB3 (Front Panel)

PWR_LED-

PWR_LED+

PWR_LED-

9) F_AUDIO (Front Panel Audio Header)

The front panel audio header supports Intel High Denition audio (HD) and AC'97 audio. You may connect

your chassis front panel audio module to this header. Make sure the wire assignments of the module

connector match the pin assignments of the motherboard header. Incorrect connection between the module

connector and the motherboard header will make the device unable to work or even damage it.

For HD Front Panel Audio: For AC'97 Front Panel Audio:

Pin No. Denition

1 MIC2_L

2 GND

3 MIC2_R

4 -ACZ_DET

5 LINE2_R

6 GND

7 FAUDIO_JD

8 No Pin

9 LINE2_L

10 GND

Pin No. Denition

1 MIC

2 GND

3 MIC Power

4 NC

5Line Out (R)

6 NC

7 NC

8 No Pin

9Line Out (L)

10 NC

•The front panel audio header supports HD audio by default.

•Audio signals will be present on both of the front and back panel audio connections simultaneously.

•Some chassis provide a front panel audio module that has separated connectors on each wire instead of a

single plug. For information about connecting the front panel audio module that has different wire assignments,

please contact the chassis manufacturer.

- 15 -

10) SPDIF_O (S/PDIF Out Header)

This header supports digital S/PDIF Out and connects a S/PDIF digital audio cable (provided by expansion

cards) for digital audio output from your motherboard to certain expansion cards like graphics cards and

sound cards. For example, some graphics cards may require you to use a S/PDIF digital audio cable for

digital audio output from your motherboard to your graphics card if you wish to connect an HDMI display

to the graphics card and have digital audio output from the HDMI display at the same time. For information

about connecting the S/PDIF digital audio cable, carefully read the manual for your expansion card.

11) F_USB1/F_USB2 (USB 2.0/1.1 Headers)

The headers conform to USB 2.0/1.1 specication. Each USB header can provide two USB ports via an

optional USB bracket. For purchasing the optional USB bracket, please contact the local dealer.

Pin No. Denition Pin No. Denition

1Power (5V) 6 USB DY+

2Power (5V) 7 GND

3 USB DX- 8 GND

4 USB DY- 9 No Pin

5 USB DX+ 10 NC

•Do not plug the IEEE 1394 bracket (2x5-pin) cable into the USB header.

•Prior to installing the USB bracket, be sure to turn off your computer and unplug the power cord from the power

outlet to prevent damage to the USB bracket.

Pin No. Denition

1 SPDIFO

2 GND

Chapter 2 BIOS Setup

•Because BIOS ashing is potentially risky, if you do not encounter problems using the current version of BIOS,

it is recommended that you not ash the BIOS. To ash the BIOS, do it with caution. Inadequate BIOS ashing

may result in system malfunction.

•It is recommended that you not alter the default settings (unless you need to) to prevent system instability or other

unexpected results. Inadequately altering the settings may result in system's failure to boot. If this occurs, try to

clear the CMOS values and reset the board to default values. (Refer to the "Load Optimized Defaults" section in

this chapter or introductions of the battery/clear CMOS jumper in Chapter 1 for how to clear the CMOS values.)

BIOS (Basic Input and Output System) records hardware parameters of the system in the CMOS on the

motherboard. Its major functions include conducting the Power-On Self-Test (POST) during system startup,

saving system parameters and loading operating system, etc. BIOS includes a BIOS Setup program that allows

the user to modify basic system conguration settings or to activate certain system features.

When the power is turned off, the battery on the motherboard supplies the necessary power to the CMOS to

keep the conguration values in the CMOS.

To access the BIOS Setup program, press the <Delete> key during the POST when the power is turned on.

To upgrade the BIOS, use either the GIGABYTE Q-Flash or @BIOS utility.

•Q-Flash allows the user to quickly and easily upgrade or back up BIOS without entering the operating system.

•@BIOS is a Windows-based utility that searches and downloads the latest version of BIOS from the Internet

and updates the BIOS.

- 16 -

2-1 Startup Screen

The following startup Logo screen will appear when the computer boots.

(Sample BIOS Version: F2c)

Function Keys

•When the system is not stable as usual, select the Load Optimized Defaults item to set your system to its defaults.

•The BIOS Setup menus described in this chapter are for reference only and may differ by BIOS version.

On the main menu of the BIOS Setup program, press arrow keys to move among the items and press <Enter>

to accept or enter a sub-menu. Or you can use your mouse to select the item you want.

2-2 M.I.T.

This section provides information on the BIOS version, CPU base clock, CPU frequency, memory frequency,

total memory size, CPU temperature, Vcore, and memory voltage.

- 17 -

(Note) This item is present only when you install a CPU that supports this feature.

Whether the system will work stably with the overclock/overvoltage settings you made is dependent on your overall

system congurations. Incorrectly doing overclock/overvoltage may result in damage to CPU, chipset, or memory

and reduce the useful life of these components. This page is for advanced users only and we recommend you not to

alter the default settings to prevent system instability or other unexpected results. (Inadequately altering the settings

may result in system's failure to boot. If this occurs, clear the CMOS values and reset the board to default values.)

`M.I.T. Current Status

This screen provides information on CPU/memory frequencies/parameters.

`Advanced Frequency Settings

&BCLK/PCIe Clock Control

Allows you to manually set the CPU base clock and PCIe bus frequency in 1 MHz increments. (Default:

Auto)

Important: It is highly recommended that the CPU frequency be set in accordance with the CPU

specications.

&NB Clock (Mhz)

Allows you to manually set the CPU North Bridge frequency. The adjustable range is from 800 MHz to 6000 MHz.

&Processor Graphics Clock

Allows you to set the onboard graphics clock. The adjustable range is from 300 MHz to 2000 MHz.

&CPU Clock Ratio

Allows you to alter the clock ratio for the installed CPU. The adjustable range is dependent on the CPU

being installed.

&CPU Frequency

Displays the current operating CPU frequency.

`Advanced CPU Core Features

&CPU Clock Ratio, CPU Frequency

The settings above are synchronous to those under the same items on the Advanced Frequency Settings

menu.

&Core Performance Boost (Note)

Allows you to determine whether to enable the Core Performance Boost (CPB) technology, a CPU

performance-boost technology. (Default: Auto)

&Turbo CPB (Note)

Allows you to determine whether to improve CPU performance. (Default: Disabled)

&CPB Ratio (Note)

Allows you alter the ratio for the CPB. The adjustable range is dependent on the CPU being installed.

(Default: Auto)

&Cool&Quiet

Enabled Lets the AMD Cool'n'Quiet driver dynamically adjust the CPU clock and VID to reduce

heat output from your computer and its power consumption. (Default)

Disabled Disables this function.

&SVM Mode

Virtualization enhanced by Virtualization Technology will allow a platform to run multiple operating systems

and applications in independent partitions. With virtualization, one computer system can function as multiple

virtual systems. (Default: Enabled)

&C6 Mode

Allows you to determine whether to let the CPU enter C6 mode in system halt state. When enabled, the

CPU core frequency will be reduced during system halt state to decrease power consumption. The C6

state is a more enhanced power-saving state than C1. (Default: Enabled)

- 18 -

(Note) This item is present only when you install a CPU and a memory module that support this feature.

&ExtremeMemoryProle(X.M.P.)(Note)

Allows the BIOS to read the SPD data on XMP memory module(s) to enhance memory performance when

enabled.

Disabled Disables this function. (Default)

Prole1 Uses Prole 1 settings.

Prole2 (Note) Uses Prole 2 settings.

&AMDMemoryProle(A.M.P.)(Note)

Allows the BIOS to read the SPD data on AMP memory module(s) to enhance memory performance when

enabled. (Default: Disabled)

&System Memory Multiplier

Allows you to set the system memory multiplier. Auto sets memory multiplier according to memory SPD

data. (Default: Auto)

&Memory Frequency (MHz)

This value is automatically adjusted according to the BCLK/PCIe Clock Control and System Memory

Multiplier settings.

`Advanced Memory Settings

&ExtremeMemoryProle(X.M.P.)(Note), System Memory Multiplier, Memory Frequency(MHz)

The settings above are synchronous to those under the same items on the Advanced Frequency Settings

menu.

&DRAM Timing Selectable

Quick and Expert allows the memory timing settings below to be congurable. Options are: Auto (default),

Quick, Expert.

&ProleDDRVoltage

When using a non-XMP memory module or ExtremeMemoryProle(X.M.P.) is set to Disabled, this item

will display as 1.50V. When ExtremeMemoryProle(X.M.P.) is set to Prole1 or Prole2, this item will

display the value based on the SPD data on the XMP memory.

&ProleVTTVoltage

The value displayed here is dependent on the CPU being used.

&Rank Interleaving

Enables or disables memory rank interleaving. Enabled allows the system to simultaneously access different

ranks of the memory to increase memory performance and stability. (Default: Enabled)

&Channel Interleaving

Enables or disables memory channel interleaving. Enabled allows the system to simultaneously access

different channels of the memory to increase memory performance and stability. (Default: Enabled)

`Channel A/B Timing Settings

This sub-menu provides memory timing settings for each channel of memory. The respective timing setting

screens are congurable only when DRAM Timing Selectable is set to Quick or Expert. Note: Your system

may become unstable or fail to boot after you make changes on the memory timings. If this occurs, please reset

the board to default values by loading optimized defaults or clearing the CMOS values.

&CPU Core Control

Allows you to determine whether to manually enable/disable CPU cores. Automatic mode allows the BIOS

to enable all CPU cores (number of cores available depends on the CPU being used). (Default: Automatic

mode)

&APM

Enables or disables Application Power Management. (Default: Enabled)

- 19 -

`PC Health Status

&Reset Case Open Status

Disabled Keeps or clears the record of previous chassis intrusion status. (Default)

Enabled Clears the record of previous chassis intrusion status and the Case Open eld will

show "No" at next boot.

&Case Open

Displays the detection status of the chassis intrusion detection device attached to the motherboard CI

header. If the system chassis cover is removed, this eld will show "Yes", otherwise it will show "No". To

clear the chassis intrusion status record, set Reset Case Open Status to Enabled, save the settings to

the CMOS, and then restart your system.

&CPU Vcore/DRAM Voltage/+3.3V/+5V/+12V

Displays the current system voltages.

&CPU/System Temperature

Displays current CPU/system temperature.

&CPU/System Fan Speed

Displays current CPU/system fan speeds.

&CPU Warning Temperature

Sets the warning threshold for CPU/system temperature. When temperature exceeds the threshold, BIOS

will emit warning sound. Options are: Disabled (default), 60oC/140oF, 70oC/158oF, 80oC/176oF, 90oC/194oF.

&CPU/System Fan Fail Warning

Allows the system to emit warning sound if the fan is not connected or fails. Check the fan condition or fan

connection when this occurs. (Default: Disabled)

&CPU Fan Speed Control

Allows you to determine whether to enable the fan speed control function and adjust the fan speed.

Normal Allows the fan to run at different speeds according to the CPU temperature. You can

adjust the fan speed with EasyTune based on your system requirements. (Default)

Silent Allows the fan to run at slow speeds.

Manual Allows you to control the fan speed under the Slope PWM item.

Disabled Allows the fan to run at full speeds.

&Slope PWM

Allows you to control the CPU fan speed. This item is congurable only when CPU Fan Speed Control is

set to Manual. Options are: 0.75 PWM value /oC ~ 2.50 PWM value /oC.

&System Fan Speed Control

Allows you to determine whether to enable the fan speed control function and adjust the fan speed.

Normal Allows the fan to run at different speeds according to the system temperature. You can

adjust the fan speed with EasyTune based on your system requirements. (Default)

Silent Allows the fan to run at slow speeds.

Manual Allows you to control the fan speed under the Slope PWM item.

Disabled Allows the fan to run at full speeds.

&Slope PWM

Allows you to control the CPU fan speed. This item is congurable only when System Fan Speed Control

is set to Manual. Options are: 0.75 PWM value /oC ~ 2.50 PWM value /oC.

`Advanced Voltage Settings

This sub-menu allows you to set CPU, chipset and memory voltages.

- 20 -

2-3 System Information

This section provides information on your motherboard model and BIOS version. You can also select the default

language used by the BIOS and manually set the system time.

&System Language

Selects the default language used by the BIOS.

&System Date

Sets the system date. The date format is week (read-only), month, date, and year. Use <Enter> to switch

between the Month, Date, and Year elds and use the <Page Up> or <Page Down> key to set the desired

value.

&System Time

Sets the system time. The time format is hour, minute, and second. For example, 1 p.m. is 13:0:0. Use

<Enter> to switch between the Hour, Minute, and Second elds and use the <Page Up> or <Page Down>

key to set the desired value.

&Access Level

Displays the current access level depending on the type of password protection used. (If no password is

set, the default will display as Administrator.) The Administrator level allows you to make changes to all

BIOS settings; the User level only allows you to make changes to certain BIOS settings but not all.

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Gigabyte GA-F2A55M-S1 User manual

Gigabyte GA-F2A55M-S1 User manual

Gigabyte GA-F2A55M-S1 User manual

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